A Study of steam explosion pulping of eucalyptus has been carried out.
进行了汽蒸爆破法制桉木高得率浆的研究 ,探讨了预处理条件、浆中磺酸根含量及打浆度对爆破浆性质的影响 ,分析了爆破浆的红外光谱图和差示红外光谱图。
In the fragrant substances taken from the heavy turpentine of rosin with steam distillation approaches, 19 fragrant components are detected by GC/MS.
利用水汽蒸馏提取法富集了松香产品中残留的重质松节油,经气相色谱/质谱联机分析,发现其主要由19种单萜和倍半萜化合物组成,全部为香味物质(未知物除外)。